docs: def capitalize_float_margin(css_body):
      """Capitalize float and margin CSS property names
      """
  
      def _capitalize_property(match):
          return "{0}:{1}{2}".format(
              match.group("property").capitalize(),
              match.group("value"),
              match.group("terminator"),
          )
  
      return _lowercase_margin_float_rule.sub(_capitalize_property, css_body)